Curated resource guide

WordPress Monitoring and Observability

Know when a WordPress site is failing, slowing down, or drifting from its expected state before users report it. These resources cover uptime checks, logs, APM, frontend errors, real-user performance, cron and queues, infrastructure health, security events, backups, alert design, dashboards, SLOs, and incident timelines.

Scope

What this guide covers

  • Uptime monitoring
  • synthetic checks
  • HTTP status and response-time monitoring
  • PHP and web-server logs
  • WordPress debug logs
  • database slow-query logs
  • APM
  • error tracking
  • frontend JavaScript errors
  • Core Web Vitals/RUM
  • cron and queue monitoring
  • SSL and domain expiry
  • DNS
  • disk/memory/CPU
  • PHP workers
  • database health
  • security events
  • backup status
  • plugin/theme/core version monitoring
  • email delivery
  • alert routing
  • dashboards
  • baselines
  • SLOs
  • incident timelines
  • and reducing noisy alerts

Selected references

Curated resources

Links open the original publisher so you can use the complete, current material in context.

  1. 02
    5

    Site Health API

    Extend or interpret WordPress Site Health tests, debug information, status checks, and scheduled health work.

    developer.wordpress.org
  2. 03
    5

    Debugging in WordPress

    Official guidance for debug constants, logs, script diagnostics, and safe investigation during local development.

    developer.wordpress.org
  3. 04
    5

    Query Monitor

    See query timing, PHP errors, HTTP requests, hooks, scripts, and request context while diagnosing WordPress.

    wordpress.org
  4. 05
    5

    Action Scheduler

    A scalable WordPress job queue with logging, retries, batches, administration screens, and WP-CLI operations.

    actionscheduler.org
  5. 06
    4

    OpenTelemetry for PHP

    Instrument PHP services with vendor-neutral traces, metrics, logs, context propagation, and exporters.

    opentelemetry.io
  6. 07
    4

    Sentry for PHP

    First-party integration guidance for capturing PHP errors, traces, releases, and useful request context from WordPress.

    docs.sentry.io